mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Yinghai Lu <yhlu.kernel@gmail.com>
To: David Rientjes <rientjes@google.com>
Cc: Andi Kleen <andi@firstfloor.org>,
	Chris Worley <worleys@gmail.com>,
	linux-kernel@vger.kernel.org
Subject: Re: Off topic: Numactl "distance" wrong
Date: Fri, 3 Apr 2009 14:48:31 -0700	[thread overview]
Message-ID: <86802c440904031448yc6d499ckd9cb969ce136f477@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.00.0904031438540.3646@chino.kir.corp.google.com>

On Fri, Apr 3, 2009 at 2:43 PM, David Rientjes <rientjes@google.com> wrote:
>
> Yinghai, can you elaborate on exactly what type of interface you can
> imagine for modifying the distance for nodes through sysfs?  It seems like
> you'd have to report the entire physical topology in one write, for which
> we currently don't have an interface for beyond pxms, instead of per-node
> distances to remote nodes.

acpi_numa_slit_init() in srat_64.c will have one copy (called
acpi_slit) of SLIT, if there is SLIT from ACPI.

so if numa is enabled, could expose that acpi_slit via sysfs for the
user to update it.

YH

  reply	other threads:[~2009-04-03 21:48 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-03 20:02 Chris Worley
2009-04-03 20:16 ` Brice Goglin
2009-04-03 20:49   ` Yinghai Lu
2009-04-03 21:01     ` Cliff Wickman
2009-04-03 21:43       ` Yinghai Lu
2009-04-03 21:24 ` Andi Kleen
2009-04-03 21:43   ` David Rientjes
2009-04-03 21:48     ` Yinghai Lu [this message]
2009-04-03 21:52       ` David Rientjes
2009-04-03 21:55       ` Andi Kleen
2009-04-03 22:15         ` Yinghai Lu
2009-04-07  2:52         ` KOSAKI Motohiro
2009-04-07  6:17           ` Brice Goglin
2009-04-07  7:05             ` Andi Kleen
2009-04-07  7:40               ` Brice Goglin
2009-04-07  7:56                 ` Andi Kleen
2009-04-07  7:44               ` David Rientjes
2009-04-07  7:59                 ` Andi Kleen
2009-04-07  8:08                   ` David Rientjes
2009-04-07  8:23                     ` Andi Kleen
2009-04-07  8:30                       ` David Rientjes
2009-04-07  9:13                         ` Andi Kleen
2009-04-03 21:53     ` Andi Kleen
2009-04-03 21:54       ` David Rientjes
2009-04-03 22:18         ` Yinghai Lu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=86802c440904031448yc6d499ckd9cb969ce136f477@mail.gmail.com \
    --to=yhlu.kernel@gmail.com \
    --cc=andi@firstfloor.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=rientjes@google.com \
    --cc=worleys@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®